Square D™ QOU21251021 Type QOU Miniature Circuit Breaker, 120/240 VAC, 125 A, 10 kA at 120/240 VAC, 5 kA at 60 VDC Interrupt, 2 Poles, Shunt/Thermal Magnetic Trip

Square D™ Miniature Circuit Breaker, Type QOU, 120/240 VAC, 125 A, 50/60 Hz Frequency, 10 kA at 120/240 VAC, 5 kA at 60 VDC Interrupt, Shunt/Thermal Magnetic Trip, 2 Pole, 1 ph, Line/Load Lug Connection, 12 to 2/0 AWG Al/Cu Wire, Unit Mounting, 14 to 140 deg F, 6.3 in H x 1.32 in W x 2.96 in D Dimensions